Add overload useDefaultIfNull

zzzprojects · Jun 28, 2017 · f6fd4ed · f6fd4ed
1 parent 2411aa4
commit f6fd4ed
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Showing 24 changed files with 1,061 additions and 20 deletions.
diff --git a/lab/Z.ExtensionMethods.Lab/Form1.cs b/lab/Z.ExtensionMethods.Lab/Form1.cs
@@ -157,25 +157,18 @@ public partial class Form1 : Form
         public Form1()
         {
             InitializeComponent();
+            object x1 = null;
 
-            var aaaa = (Attribute)null;
-
-            StringBuilder sb = new StringBuilder("0123456789");
-            var b4 = "abc".Substring(1, 4);
-            char ch = '\'';
-            char ch2 = '"';
-            string tag = "a<b class='to>to'>c</b>d";
-            string tag2 = tag.StripHtml();
-            var a = new[] {"a", "b", "c"};
-            var b = new[] {"c", "d"};
-
-            using (var command = new SqlCommand())
-            {
-               // command.ExecuteDataSet();
-            }
+            var r1 = x1.ToInt32OrDefault(4);
+            var r2 = x1.ToInt32OrDefault(4, true);
+
+            //using (var command = new SqlCommand())
+            //{
+            //   // command.ExecuteDataSet();
+            //}
 
-            var c = new List<String[]> {a, b};
-            IEnumerable<string> d = c.MergeInnerEnumerable();
+            //var c = new List<String[]> {a, b};
+            //IEnumerable<string> d = c.MergeInnerEnumerable();
         }
 
         public void Misc()

diff --git a/lab/Z.ExtensionMethods.Lab/Z.ExtensionMethods.Lab.csproj b/lab/Z.ExtensionMethods.Lab/Z.ExtensionMethods.Lab.csproj
@@ -50,9 +50,6 @@
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
-    <Reference Include="Z.ExtensionMethods.WithNamespace">
-      <HintPath>..\..\..\..\..\..\OneDrive\Documents\Release\Z.ExtensionMethods\Z.ExtensionMethods.WithNamespace\NET40\Z.ExtensionMethods.WithNamespace.dll</HintPath>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Form1.cs">
@@ -86,6 +83,10 @@
     </Compile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\src\Z.Core\Z.Core.csproj">
+      <Project>{02f009f8-720b-4cbd-98ff-f2c33f4441d5}</Project>
+      <Name>Z.Core</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\src\Z.Data.SQLite\Z.Data.SQLite.csproj">
       <Project>{40cec7db-c8e6-4a24-8de7-9e0edf8708c6}</Project>
       <Name>Z.Data.SQLite</Name>

diff --git a/src/Z.Core/System.Object/Convert/ToValueType/Object.ToBooleanOrDefault.cs b/src/Z.Core/System.Object/Convert/ToValueType/Object.ToBooleanOrDefault.cs
@@ -42,6 +42,29 @@ public static bool ToBooleanOrDefault(this object @this, bool defaultValue)
             return defaultValue;
         }
     }
+    /// <summary>
+    /// An object extension method that converts this object to a boolean or default.
+    /// </summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValue">true to default value.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a bool.</returns>
+    public static bool ToBooleanOrDefault(this object @this, bool defaultValue, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValue;
+        }
+
+        try
+        {
+            return Convert.ToBoolean(@this);
+        }
+        catch (Exception)
+        {
+            return defaultValue;
+        }
+    }
 
     /// <summary>
     ///     An object extension method that converts this object to a boolean or default.
@@ -60,4 +83,28 @@ public static bool ToBooleanOrDefault(this object @this, Func<bool> defaultValue
             return defaultValueFactory();
         }
     }
+
+    /// <summary>
+    /// An object extension method that converts this object to a boolean or default.
+    /// </summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValueFactory">The default value factory.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a bool.</returns>
+    public static bool ToBooleanOrDefault(this object @this, Func<bool> defaultValueFactory, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValueFactory();
+        }
+
+        try
+        {
+            return Convert.ToBoolean(@this);
+        }
+        catch (Exception)
+        {
+            return defaultValueFactory();
+        }
+    }
 }
diff --git a/src/Z.Core/System.Object/Convert/ToValueType/Object.ToByteOrDefault.cs b/src/Z.Core/System.Object/Convert/ToValueType/Object.ToByteOrDefault.cs
@@ -43,6 +43,28 @@ public static byte ToByteOrDefault(this object @this, byte defaultValue)
         }
     }
 
+    /// <summary>An object extension method that converts this object to a byte or default.</summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValue">The default value.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a byte.</returns>
+    public static byte ToByteOrDefault(this object @this, byte defaultValue, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValue;
+        }
+
+        try
+        {
+            return Convert.ToByte(@this);
+        }
+        catch (Exception)
+        {
+            return defaultValue;
+        }
+    }
+
     /// <summary>
     ///     An object extension method that converts this object to a byte or default.
     /// </summary>
@@ -60,4 +82,26 @@ public static byte ToByteOrDefault(this object @this, Func<byte> defaultValueFac
             return defaultValueFactory();
         }
     }
+
+    /// <summary>An object extension method that converts this object to a byte or default.</summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValueFactory">The default value factory.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a byte.</returns>
+    public static byte ToByteOrDefault(this object @this, Func<byte> defaultValueFactory, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValueFactory();
+        }
+
+        try
+        {
+            return Convert.ToByte(@this);
+        }
+        catch (Exception)
+        {
+            return defaultValueFactory();
+        }
+    }
 }
diff --git a/src/Z.Core/System.Object/Convert/ToValueType/Object.ToCharOrDefault.cs b/src/Z.Core/System.Object/Convert/ToValueType/Object.ToCharOrDefault.cs
@@ -43,6 +43,30 @@ public static char ToCharOrDefault(this object @this, char defaultValue)
         }
     }
 
+    /// <summary>
+    /// An object extension method that converts this object to a character or default.
+    /// </summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValue">The default value.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a char.</returns>
+    public static char ToCharOrDefault(this object @this, char defaultValue, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValue;
+        }
+
+        try
+        {
+            return Convert.ToChar(@this);
+        }
+        catch (Exception)
+        {
+            return defaultValue;
+        }
+    }
+
     /// <summary>
     ///     An object extension method that converts this object to a character or default.
     /// </summary>
@@ -60,4 +84,28 @@ public static char ToCharOrDefault(this object @this, Func<char> defaultValueFac
             return defaultValueFactory();
         }
     }
+
+    /// <summary>
+    /// An object extension method that converts this object to a character or default.
+    /// </summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValueFactory">The default value factory.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a char.</returns>
+    public static char ToCharOrDefault(this object @this, Func<char> defaultValueFactory, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValueFactory();
+        }
+
+        try
+        {
+            return Convert.ToChar(@this);
+        }
+        catch (Exception)
+        {
+            return defaultValueFactory();
+        }
+    }
 }
diff --git a/src/Z.Core/System.Object/Convert/ToValueType/Object.ToDateTimeOffSetOrDefault.cs b/src/Z.Core/System.Object/Convert/ToValueType/Object.ToDateTimeOffSetOrDefault.cs
@@ -43,6 +43,30 @@ public static DateTimeOffset ToDateTimeOffSetOrDefault(this object @this, DateTi
         }
     }
 
+    /// <summary>
+    /// An object extension method that converts this object to a date time off set or default.
+    /// </summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValue">The default value.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a DateTimeOffset.</returns>
+    public static DateTimeOffset ToDateTimeOffSetOrDefault(this object @this, DateTimeOffset defaultValue, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValue;
+        }
+
+        try
+        {
+            return new DateTimeOffset(Convert.ToDateTime(@this), TimeSpan.Zero);
+        }
+        catch (Exception)
+        {
+            return defaultValue;
+        }
+    }
+
     /// <summary>
     ///     An object extension method that converts this object to a date time off set or default.
     /// </summary>
@@ -60,4 +84,28 @@ public static DateTimeOffset ToDateTimeOffSetOrDefault(this object @this, Func<D
             return defaultValueFactory();
         }
     }
+
+    /// <summary>
+    /// An object extension method that converts this object to a date time off set or default.
+    /// </summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValueFactory">The default value factory.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a DateTimeOffset.</returns>
+    public static DateTimeOffset ToDateTimeOffSetOrDefault(this object @this, Func<DateTimeOffset> defaultValueFactory, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValueFactory();
+        }
+
+        try
+        {
+            return new DateTimeOffset(Convert.ToDateTime(@this), TimeSpan.Zero);
+        }
+        catch (Exception)
+        {
+            return defaultValueFactory();
+        }
+    }
 }
diff --git a/src/Z.Core/System.Object/Convert/ToValueType/Object.ToDateTimeOrDefault.cs b/src/Z.Core/System.Object/Convert/ToValueType/Object.ToDateTimeOrDefault.cs
@@ -43,6 +43,30 @@ public static DateTime ToDateTimeOrDefault(this object @this, DateTime defaultVa
         }
     }
 
+    /// <summary>
+    /// An object extension method that converts this object to a date time or default.
+    /// </summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValue">The default value.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a DateTime.</returns>
+    public static DateTime ToDateTimeOrDefault(this object @this, DateTime defaultValue, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValue;
+        }
+
+        try
+        {
+            return Convert.ToDateTime(@this);
+        }
+        catch (Exception)
+        {
+            return defaultValue;
+        }
+    }
+
     /// <summary>
     ///     An object extension method that converts this object to a date time or default.
     /// </summary>
@@ -60,4 +84,28 @@ public static DateTime ToDateTimeOrDefault(this object @this, Func<DateTime> def
             return defaultValueFactory();
         }
     }
+
+    /// <summary>
+    /// An object extension method that converts this object to a date time or default.
+    /// </summary>
+    /// <param name="this">The @this to act on.</param>
+    /// <param name="defaultValueFactory">The default value factory.</param>
+    /// <param name="useDefaultIfNull">true to use default if null.</param>
+    /// <returns>The given data converted to a DateTime.</returns>
+    public static DateTime ToDateTimeOrDefault(this object @this, Func<DateTime> defaultValueFactory, bool useDefaultIfNull)
+    {
+        if (useDefaultIfNull && @this == null)
+        {
+            return defaultValueFactory();
+        }
+
+        try
+        {
+            return Convert.ToDateTime(@this);
+        }
+        catch (Exception)
+        {
+            return defaultValueFactory();
+        }
+    }
 }